millibar

noun

1. a centimeter-gram-second unit of pressure equal to one thousandth of a bar or 1000 dynes per square centimeter, used to measure air pressure. Abbreviation: mb

noun

1. a cgs unit of atmospheric pressure equal to 10 –3 bar, 100 newtons per square metre or 0.7500617 millimetre of mercury

1. A unit of pressure equal to 0.001 bars. It is equivalent to 100 newtons per square meter, or 0.0145 pounds per square inch. Standard atmospheric pressure at sea level is 1,013.2 millibars.